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COVAR

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semver fix


VAR test fix


new: COVAR, ZSCORE, CORR, LINREG


versioning


refactoring
This commit is contained in:
Miha Kralj
2022-11-17 11:05:20 -08:00
parent fd2a686ba5
commit 73e3420379
59 changed files with 1225 additions and 1285 deletions
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Source/Feeds/Alphavantage_Feed.cs
+1 -2
View File
@@ -17,12 +17,11 @@ public class Alphavantage_Feed : TBars
public Alphavantage_Feed(string Symbol = "IBM", string APIkey = "demo")
{
System.Net.Http.HttpClient client = new();
JsonElement json = new();
string req = "https://www.alphavantage.co/query?function=TIME_SERIES_DAILY_ADJUSTED" + "&symbol=" + Symbol + "&apikey=" + APIkey;
var msg = client.GetStringAsync(req).Result;
var jres = JsonSerializer.Deserialize<JsonDocument>(msg).RootElement;
jres.TryGetProperty("Time Series (Daily)", out json);
jres.TryGetProperty("Time Series (Daily)", out JsonElement json);
if (json.ValueKind == JsonValueKind.Undefined) {throw new InvalidOperationException("Stock symbol "+Symbol+" not found"); }
foreach (var val in json.EnumerateObject()) { base.Add(GetOHLC(val)); }
Source/Feeds/Yahoo_Feed.cs
+4 -3
View File
@@ -9,12 +9,13 @@ Yahoo Finance - Free API feed to collect daily market quotes
Period: number of days of collected history (default: 252)
Usage:
Yahoo_Feed ticker = new("MSFT", 20)
</summary> */
public class Yahoo_Feed : TBars
{
public Yahoo_Feed(string Symbol = "IBM", int Period = 252) {
Period = (int)(Period*1.45);
string requestUrl = "https://query1.finance.yahoo.com/v8/finance/chart/"+
Symbol+"?interval=1d&period1="+
(int)new DateTimeOffset(DateTime.UtcNow.AddDays(-Period+1)).ToUnixTimeSeconds()+"&period2="+
@@ -22,7 +23,7 @@ public class Yahoo_Feed : TBars
System.Net.Http.HttpClient client = new();
var msg = client.GetStringAsync(requestUrl).Result;
var jresult = JsonSerializer.Deserialize<JsonDocument>(msg).RootElement;
jresult.TryGetProperty("chart",out JsonElement json);
json.TryGetProperty("result",out json);
json[0].TryGetProperty("timestamp",out JsonElement datetime);
@@ -33,7 +34,7 @@ public class Yahoo_Feed : TBars
json[0].TryGetProperty("low",out JsonElement low);
json[0].TryGetProperty("close",out JsonElement close);
json[0].TryGetProperty("volume",out JsonElement volume);
for (int i=0; i<datetime.GetArrayLength(); i++) {
DateTime d = DateTimeOffset.FromUnixTimeSeconds(long.Parse(datetime[i].GetRawText())).DateTime;
double o = Math.Round(double.Parse(open[i].GetRawText()),3);